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yandex.exe

Yandex

YANDEX LLC

The application yandex.exe by YANDEX has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from download.yandex.ru. While running, it connects to the Internet address cache-mskdataline07.cdn.yandex.net on port 443.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex

Version:
16.11.0.2680

MD5:
b3aacce74e88e08b476305003071865c

SHA-1:
09c97d4d65f5eca022b28faaed23d5eabb859500

SHA-256:
7610c884b34b00fad61753bfbdba7e9cd5d0a7a584fe6823f0c73c6c64d53d4f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 2:26:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
17.1.23.18

File size:
769.5 KB (787,960 bytes)

Product version:
16.11.0.2680

Copyright:
Copyright © 2012-2016 YANDEX LLC. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\yandex.exe

Digital Signature
Signed by:
YANDEX LLC

Authority:
GlobalSign nv-sa

Valid from:
9/25/2015 1:44:52 PM

Valid to:
9/25/2017 1:44:52 PM

Subject:
E=pki@yandex-team.ru, CN=YANDEX LLC, O=YANDEX LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11210FF6462B63D55AFBAA81F9C734A7AA94

File PE Metadata
Compilation timestamp:
11/29/2016 10:08:35 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x2D880

Entry point:
E8, 2A, 09, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 68, AA, 45, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 70, AA, 45, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 68, AA, 45, 00, 66, 0F, 7E, C0, 25, FF, FF, FF, 7F, 3D, 00, 00, 80, 7F, 0F, 83, 4C, 01, 00, 00, F3, 0F, 5A, C0, 83, F9, 02, 75, 18, F2, 0F, 10, 15, 88, AA, 45, 00, 66, 0F, 2F, C2, 76, 0A, BA, 10, 00, 00, 00, E8, 3D, 01, 00, 00, 66, 0F, 2F, C5, 0F, 83, 21, 01, 00, 00, F2, 0F, 10, 35, 60, AA...
 
[+]

Code size:
324.5 KB (332,288 bytes)

The file yandex.exe has been seen being distributed by the following URL.

http://download.yandex.ru/yandex-pack/browser/.../Yandex.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to clck.yandex.ru  (213.180.204.14:80)

TCP (HTTP SSL):
Connects to cdn.yandex.net  (5.45.205.231:443)

TCP (HTTP SSL):
Connects to api.browser.yandex.ru  (87.250.251.82:443)

TCP (HTTP SSL):
Connects to cache-nnov02.cdn.yandex.net  (77.88.35.11:443)

TCP (HTTP SSL):
Connects to cache-mskstoredata02.cdn.yandex.net  (37.9.96.13:443)

TCP (HTTP SSL):
Connects to cache-mskdataline07.cdn.yandex.net  (5.45.221.17:443)

TCP (HTTP SSL):
Connects to cache-kiev10.cdn.yandex.net  (141.8.174.92:443)

TCP (HTTP SSL):
Connects to cache-kiev05.cdn.yandex.net  (141.8.174.56:443)

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